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						<h1 id="firstHeading" class="firstHeading" lang="en"><span dir="auto">PSD</span></h1>
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								<div id="siteSub">From PanoTools.org Wiki</div>
								
												
				<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><p>The <b>Photoshop Document Format</b> is
a proprietary image format<a class="external" href="http://wiki.panotools.org/Image_format">[*]</a> by Adobe Inc used by Photoshop<a class="external" href="http://wiki.panotools.org/Photoshop">[*]</a> and some other Adobe products. It stores any image content that Photoshop can handle. 
</p><p>PSD is limited to 30,000 pixels either side. Since Photoshop version 8 (CS) a new format is available, that can store up to 300,000 pixel each side, the Photoshop large document format called PSB.
</p><p>Panotools can write 8 bit per channel PSD files with layers (sometimes called 24 bit files) or background layer only PSD files with 16 bit per channel (sometimes called 48 bit files).
</p><p>Some image viewers claim to be able to read PSD files. However, in each PSD file there is stored a flattened version of the contained multi layer image, which is displayed in this case.
</p>



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